The Grand Psychotic Castle is an EP and the second release by Norwegian symphonic black metal solo project Tartaros.

It was released in 1997 through Necropolis Records.

Chronicles of Chaos, while complimenting the album's "dark, ominous atmosphere", wrote that it is "damaged somewhat by a constantly intruding drum machine that does nothing to help the music except overpower it", finishing off with "for all its good points, the escalating and descending keyboards and the hollow, spooky atmosphere it creates, TGPC is far from perfect.

"[1] All music is composed by Charmand Grimloch